diff --git a/conf/nginx.conf b/conf/nginx.conf
index eacc8d0..3ada21c 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -1,4 +1,6 @@
-location / {
+#sub_path_only rewrite ^__PATH__$ __PATH__/ permanent;
+location __PATH__/ {
+
   proxy_pass        http://127.0.0.1:__PORT__/;
   proxy_redirect    off;
   proxy_set_header  Host $host;
diff --git a/config_panel.toml b/config_panel.toml
index c53cded..7f0ba14 100644
--- a/config_panel.toml
+++ b/config_panel.toml
@@ -13,7 +13,7 @@ services = ["__APP__"]
         choices = ["none", "password"]
         default = "none"
         optional = false
-        bind = ":/opt/yunohost/__APP__/config.yaml"
+        bind = ":__INSTALL_DIR__/config.yaml"
 
         [main.auth.password]
         ask = "Password"
@@ -36,7 +36,7 @@ services = ["__APP__"]
         example = "{\"serviceUrl\": \"https://open-vsx.org/vscode/gallery\",\"itemUrl\": \"https://open-vsx.org/vscode/item\"}"
         help = "[Documentation](https://coder.com/docs/code-server/latest/FAQ#how-do-i-use-my-own-extensions-marketplace)"
         optional = false
-        bind = ":/opt/yunohost/__APP__/code-server.env"
+        bind = ":__INSTALL_DIR__/code-server.env"
 
         [main.extensions.enable_proposed_api]
         ask = "Enable Proposed API"
diff --git a/doc/DESCRIPTION.md b/doc/DESCRIPTION.md
new file mode 100644
index 0000000..e69de29
diff --git a/manifest.json b/manifest.json
deleted file mode 100644
index 2eb4d0c..0000000
--- a/manifest.json
+++ /dev/null
@@ -1,48 +0,0 @@
-{
-    "name": "code-server",
-    "id": "code-server",
-    "packaging_format": 1,
-    "description": {
-        "en": "Run VS Code on your server and access it in the browser",
-        "fr": "Lancez VS Code sur votre serveur et accédez-y depuis votre navigateur"
-    },
-    "version": "4.13.0~ynh1",
-    "url": "https://github.com/coder/code-server",
-    "upstream": {
-        "license": "MIT",
-        "website": "https://coder.com",
-        "admindoc": "https://coder.com/docs/code-server/latest",
-        "userdoc": "https://coder.com/docs/code-server/latest/FAQ",
-        "code": "https://github.com/coder/code-server",
-        "cpe": "cpe:2.3:a:coder:code-server"
-    },
-    "antifeatures": {
-        "non-free-addons": {
-            "en": "Extensions from the Store might be closed source.",
-            "fr": "Les extensions disponibles sur la gallerie peuvent être privatrices."
-        }
-    },
-    "license": "MIT",
-    "maintainer": {
-        "name": "Tagada"
-    },
-    "requirements": {
-        "yunohost": ">= 4.3.1.8"
-    },
-    "multi_instance": true,
-    "services": [
-        "nginx"
-    ],
-    "arguments": {
-        "install": [
-            {
-                "name": "domain",
-                "type": "domain"
-            },
-            {
-                "name": "admin",
-                "type": "user"
-            }
-        ]
-    }
-}
diff --git a/manifest.toml b/manifest.toml
index bb229d6..904ef9b 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -15,27 +15,23 @@ website = "https://coder.com"
 admindoc = "https://coder.com/docs/code-server/latest"
 userdoc = "https://coder.com/docs/code-server/latest/FAQ"
 code = "https://github.com/coder/code-server"
-cpe = "???" # FIXME: optional but recommended if relevant, this is meant to contain the Common Platform Enumeration, which is sort of a standard id for applications defined by the NIST. In particular, Yunohost may use this is in the future to easily track CVE (=security reports) related to apps. The CPE may be obtained by searching here: https://nvd.nist.gov/products/cpe/search. For example, for Nextcloud, the CPE is 'cpe:2.3:a:nextcloud:nextcloud' (no need to include the version number)
-fund = "???" # FIXME: optional but recommended (or remove if irrelevant / not applicable). This is meant to be an URL where people can financially support this app, especially when its development is based on volunteers and/or financed by its community. YunoHost may later advertise it in the webadmin.
 
 [integration]
-yunohost = ">= 4.3.1.8"
-architectures = "all" # FIXME: can be replaced by a list of supported archs using the dpkg --print-architecture nomenclature (amd64/i386/armhf/arm64), for example: ["amd64", "i386"]
+yunohost = ">= 11.1.17"
+architectures = ["amd64", "arm64", "armhf"]
 multi_instance = true
-ldap = "?" # FIXME: replace with true, false, or "not_relevant". Not to confuse with the "sso" key : the "ldap" key corresponds to wether or not a user *can* login on the app using its YunoHost credentials.
-sso = "?" # FIXME: replace with true, false, or "not_relevant". Not to confuse with the "ldap" key : the "sso" key corresponds to wether or not a user is *automatically logged-in* on the app when logged-in on the YunoHost portal.
-disk = "50M" # FIXME: replace with an **estimate** minimum disk requirement. e.g. 20M, 400M, 1G, ...
-ram.build = "50M" # FIXME: replace with an **estimate** minimum ram requirement. e.g. 50M, 400M, 1G, ...
-ram.runtime = "50M" # FIXME: replace with an **estimate** minimum ram requirement. e.g. 50M, 400M, 1G, ...
+ldap = false
+sso = false
+disk = "50M"
+ram.build = "50M"
+ram.runtime = "50M"
 
 [install]
     [install.domain]
-    # this is a generic question - ask strings are automatically handled by Yunohost's core
     type = "domain"
     full_domain = true
 
     [install.admin]
-    # this is a generic question - ask strings are automatically handled by Yunohost's core
     type = "user"
 
 [resources]
@@ -46,13 +42,17 @@ ram.runtime = "50M" # FIXME: replace with an **estimate** minimum ram requiremen
         amd64.sha256 = "d50ee947c4144a6ff2656e664ecbb3f70b75168b8a6e8c3eef47787f3c240c26"
         armhf.url = "https://github.com/coder/code-server/releases/download/v4.12.0/code-server-4.12.0-linux-armv7l.tar.gz"
         armhf.sha256 = "fe8e14d2b1e0c5ea3b598dd465e19a52321ab905adce6fc6890efdd5286a0af3"
+        autoupdate.strategy = "latest_github_tag"
 
+    [resources.ports]
 
     [resources.system_user]
 
     [resources.install_dir]
 
     [resources.data_dir]
+    subdirs = ["user-data", "extensions"]
 
     [resources.permissions]
     main.url = "/"
+    main.allowed = "admins"
diff --git a/scripts/backup b/scripts/backup
index d4459e8..48f0d69 100755
--- a/scripts/backup
+++ b/scripts/backup
@@ -10,28 +10,6 @@
 source ../settings/scripts/_common.sh
 source /usr/share/yunohost/helpers
 
-#=================================================
-# MANAGE SCRIPT FAILURE
-#=================================================
-
-#REMOVEME? ynh_clean_setup () {
-	### Remove this function if there's nothing to clean before calling the remove script.
-	true
-}
-# Exit if an error occurs during the execution of the script
-#REMOVEME? ynh_abort_if_errors
-
-#=================================================
-# LOAD SETTINGS
-#=================================================
-#REMOVEME? ynh_print_info --message="Loading installation settings..."
-
-#REMOVEME? app=$YNH_APP_INSTANCE_NAME
-
-#REMOVEME? #REMOVEME? install_dir=$(ynh_app_setting_get --app=$app --key=install_dir)
-#REMOVEME? domain=$(ynh_app_setting_get --app=$app --key=domain)
-#REMOVEME? data_dir=$(ynh_app_setting_get --app=$app --key=data_dir)
-
 #=================================================
 # DECLARE DATA AND CONF FILES TO BACKUP
 #=================================================
diff --git a/scripts/change_url b/scripts/change_url
index 9ff0495..ae914ad 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -9,53 +9,6 @@
 source _common.sh
 source /usr/share/yunohost/helpers
 
-#=================================================
-# RETRIEVE ARGUMENTS
-#=================================================
-
-#REMOVEME? old_domain=$YNH_APP_OLD_DOMAIN
-#REMOVEME? old_path=$YNH_APP_OLD_PATH
-
-#REMOVEME? new_domain=$YNH_APP_NEW_DOMAIN
-#REMOVEME? new_path='/'
-
-#REMOVEME? app=$YNH_APP_INSTANCE_NAME
-
-#=================================================
-# LOAD SETTINGS
-#=================================================
-#REMOVEME? ynh_script_progression --message="Loading installation settings..." --weight=1
-
-#REMOVEME? # Needed for helper "ynh_add_nginx_config"
-#REMOVEME? #REMOVEME? install_dir=$(ynh_app_setting_get --app=$app --key=install_dir)
-
-#=================================================
-# BACKUP BEFORE CHANGE URL THEN ACTIVE TRAP
-#=================================================
-#REMOVEME? ynh_script_progression --message="Backing up the app before changing its URL (may take a while)..." --weight=1
-
-# Backup the current version of the app
-#REMOVEME? ynh_backup_before_upgrade
-#REMOVEME? ynh_clean_setup () {
-	# Remove the new domain config file, the remove script won't do it as it doesn't know yet its location.
-#REMOVEME? 	ynh_secure_remove --file="/etc/nginx/conf.d/$new_domain.d/$app.conf"
-
-	# Restore it if the upgrade fails
-#REMOVEME? 	ynh_restore_upgradebackup
-}
-# Exit if an error occurs during the execution of the script
-#REMOVEME? ynh_abort_if_errors
-
-#=================================================
-# CHECK WHICH PARTS SHOULD BE CHANGED
-#=================================================
-
-#REMOVEME? change_domain=0
-#REMOVEME? if [ "$old_domain" != "$new_domain" ]
-then
-	#REMOVEME? change_domain=1
-fi
-
 #=================================================
 # STANDARD MODIFICATIONS
 #=================================================
@@ -72,24 +25,6 @@ ynh_script_progression --message="Updating NGINX web server configuration..." --
 
 ynh_change_url_nginx_config
 
-#REMOVEME? nginx_conf_path=/etc/nginx/conf.d/$old_domain.d/$app.conf
-
-# Change the domain for NGINX
-if [ $change_domain -eq 1 ]
-then
-	# Delete file checksum for the old conf file location
-#REMOVEME? 	ynh_delete_file_checksum --file="$nginx_conf_path"
-#REMOVEME? 	mv $nginx_conf_path /etc/nginx/conf.d/$new_domain.d/$app.conf
-	# Store file checksum for the new config file location
-#REMOVEME? 	ynh_store_file_checksum --file="/etc/nginx/conf.d/$new_domain.d/$app.conf"
-fi
-
-#=================================================
-# SPECIFIC MODIFICATIONS
-#=================================================
-# ...
-#=================================================
-
 #=================================================
 # GENERIC FINALISATION
 #=================================================
@@ -99,13 +34,6 @@ ynh_script_progression --message="Starting a systemd service..." --weight=1
 
 ynh_systemd_action --service_name=$app --action="start" --log_path="/var/log/$app/$app.log"
 
-#=================================================
-# RELOAD NGINX
-#=================================================
-#REMOVEME? ynh_script_progression --message="Reloading NGINX web server..." --weight=1
-
-#REMOVEME? #REMOVEME? ynh_systemd_action --service_name=nginx --action=reload
-
 #=================================================
 # END OF SCRIPT
 #=================================================
diff --git a/scripts/install b/scripts/install
index 05f270d..4aa2ed7 100755
--- a/scripts/install
+++ b/scripts/install
@@ -9,73 +9,22 @@
 source _common.sh
 source /usr/share/yunohost/helpers
 
-#=================================================
-# MANAGE SCRIPT FAILURE
-#=================================================
-
-#REMOVEME? ynh_clean_setup () {
-	true
-}
-# Exit if an error occurs during the execution of the script
-#REMOVEME? ynh_abort_if_errors
-
 #=================================================
 # RETRIEVE ARGUMENTS FROM THE MANIFEST
 #=================================================
 
-#REMOVEME? domain=$YNH_APP_ARG_DOMAIN
-#REMOVEME? admin=$YNH_APP_ARG_ADMIN
 auth="none"
 
-#REMOVEME? app=$YNH_APP_INSTANCE_NAME
-
-#=================================================
-# CHECK IF THE APP CAN BE INSTALLED WITH THESE ARGS
-#=================================================
-#REMOVEME? ynh_script_progression --message="Validating installation parameters..." --weight=1
-
-#REMOVEME? install_dir=/opt/yunohost/$app
-#REMOVEME? test ! -e "$install_dir" || ynh_die --message="This path already contains a folder"
-
-# Register (book) web path
-#REMOVEME? ynh_webpath_register --app=$app --domain=$domain --path="/"
-
-# Check machine architecture (in particular, we don't support 32bit machines)
-if [ $YNH_ARCH == "i386" ] || [ $YNH_ARCH == "armel" ]
-then
-	ynh_die --message="Sorry, but this app can only be installed on a x86 or ARM, 64 bits machine :("
-fi
-
-#=================================================
-# STORE SETTINGS FROM MANIFEST
-#=================================================
-#REMOVEME? ynh_script_progression --message="Storing installation settings..." --weight=2
-
-#REMOVEME? ynh_app_setting_set --app=$app --key=domain --value=$domain
-#REMOVEME? ynh_app_setting_set --app=$app --key=admin --value=$admin
 ynh_app_setting_set --app=$app --key=auth --value=$auth
 
-#=================================================
-# STANDARD MODIFICATIONS
-#=================================================
-# FIND AND OPEN A PORT
-#=================================================
-#REMOVEME? ynh_script_progression --message="Finding an available port..." --weight=1
-
-# Find an available port
-#REMOVEME? port=$(ynh_find_port --port=8095)
-#REMOVEME? ynh_app_setting_set --app=$app --key=port --value=$port
-
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
 #=================================================
 ynh_script_progression --message="Setting up source files..." --weight=5
 
-#REMOVEME? ynh_app_setting_set --app=$app --key=install_dir --value=$install_dir
 # Download, check integrity, uncompress and patch the source from app.src
 ynh_setup_source --dest_dir="$install_dir" 
 
-chmod 750 "$install_dir"
 chmod -R o-rwx "$install_dir"
 chown -R root:$admin "$install_dir"
 
@@ -87,25 +36,13 @@ ynh_script_progression --message="Configuring NGINX web server..." --weight=5
 # Create a dedicated NGINX config
 ynh_add_nginx_config
 
-#=================================================
-# SPECIFIC SETUP
-#=================================================
-# ...
-#=================================================
+# Create a dedicated systemd config
+ynh_add_systemd_config
 
-#=================================================
-# CREATE DATA DIRECTORY
-#=================================================
-ynh_script_progression --message="Creating a data directory..." --weight=2
+# Use logrotate to manage application logfile(s)
+ynh_use_logrotate
 
-#REMOVEME? data_dir=/home/$app/.local/share/code-server
-#REMOVEME? ynh_app_setting_set --app=$app --key=data_dir --value=$data_dir
-
-mkdir -p $data_dir/{user-data,extensions}
-
-chmod 750 "$data_dir"
-chmod -R o-rwx "$data_dir"
-chown -R $admin:$admin "$data_dir"
+yunohost service add $app --description="VS Code Server" --log="/var/log/$app/$app.log"
 
 #=================================================
 # ADD A CONFIGURATION
@@ -122,30 +59,6 @@ ynh_add_config --template="code-server.env" --destination="$install_dir/code-ser
 chmod 440 "$install_dir/code-server.env"
 chown root:$admin "$install_dir/code-server.env"
 
-#=================================================
-# SETUP SYSTEMD
-#=================================================
-ynh_script_progression --message="Configuring a systemd service..." --weight=2
-
-# Create a dedicated systemd config
-ynh_add_systemd_config
-
-#=================================================
-# GENERIC FINALIZATION
-#=================================================
-# SETUP LOGROTATE
-#=================================================
-ynh_script_progression --message="Configuring log rotation..." --weight=2
-# Use logrotate to manage application logfile(s)
-ynh_use_logrotate
-
-#=================================================
-# INTEGRATE SERVICE IN YUNOHOST
-#=================================================
-ynh_script_progression --message="Integrating service in YunoHost..." --weight=1
-
-yunohost service add $app --description="VS Code Server" --log="/var/log/$app/$app.log"
-
 #=================================================
 # START SYSTEMD SERVICE
 #=================================================
@@ -154,21 +67,6 @@ ynh_script_progression --message="Starting a systemd service..." --weight=1
 # Start a systemd service
 ynh_systemd_action --service_name=$app --action="start" --log_path="/var/log/$app/$app.log"
 
-#=================================================
-# SETUP SSOWAT
-#=================================================
-#REMOVEME? ynh_script_progression --message="Configuring permissions..." --weight=1
-
-#REMOVEME? ynh_permission_update --permission="main" --remove="all_users"
-#REMOVEME? ynh_permission_update --permission="main" --add=$admin
-
-#=================================================
-# RELOAD NGINX
-#=================================================
-#REMOVEME? ynh_script_progression --message="Reloading NGINX web server..." --weight=2
-
-#REMOVEME? ynh_systemd_action --service_name=nginx --action=reload
-
 #=================================================
 # END OF SCRIPT
 #=================================================
diff --git a/scripts/remove b/scripts/remove
index 63e3a33..d11552b 100755
--- a/scripts/remove
+++ b/scripts/remove
@@ -9,18 +9,6 @@
 source _common.sh
 source /usr/share/yunohost/helpers
 
-#=================================================
-# LOAD SETTINGS
-#=================================================
-#REMOVEME? ynh_script_progression --message="Loading installation settings..." --weight=1
-
-#REMOVEME? app=$YNH_APP_INSTANCE_NAME
-
-#REMOVEME? domain=$(ynh_app_setting_get --app=$app --key=domain)
-#REMOVEME? port=$(ynh_app_setting_get --app=$app --key=port)
-#REMOVEME? #REMOVEME? install_dir=$(ynh_app_setting_get --app=$app --key=install_dir)
-#REMOVEME? data_dir=$(ynh_app_setting_get --app=$app --key=data_dir)
-
 #=================================================
 # STANDARD REMOVE
 #=================================================
@@ -34,65 +22,18 @@ then
 	yunohost service remove $app
 fi
 
-#=================================================
-# STOP AND REMOVE SERVICE
-#=================================================
-ynh_script_progression --message="Stopping and removing the systemd service..." --weight=1
-
 # Remove the dedicated systemd config
 ynh_remove_systemd_config
 
-#=================================================
-# REMOVE LOGROTATE CONFIGURATION
-#=================================================
-ynh_script_progression --message="Removing logrotate configuration..." --weight=2
-
 # Remove the app-specific logrotate config
 ynh_remove_logrotate
 
-#=================================================
-# REMOVE APP MAIN DIR
-#=================================================
-#REMOVEME? ynh_script_progression --message="Removing app main directory..." --weight=1
-
-# Remove the app directory securely
-#REMOVEME? ynh_secure_remove --file="$install_dir"
-
-#=================================================
-# REMOVE DATA DIR
-#=================================================
-
-# Remove the data directory if --purge option is used
-if [ "${YNH_APP_PURGE:-0}" -eq 1 ]
-then
-	ynh_script_progression --message="Removing app data directory..." --weight=1
-#REMOVEME? 	ynh_secure_remove --file="$data_dir"
-fi
-
-#=================================================
-# REMOVE NGINX CONFIGURATION
-#=================================================
-ynh_script_progression --message="Removing NGINX web server configuration..." --weight=1
-
 # Remove the dedicated NGINX config
 ynh_remove_nginx_config
 
-#=================================================
-# SPECIFIC REMOVE
-#=================================================
-# REMOVE VARIOUS FILES
-#=================================================
-ynh_script_progression --message="Removing various files..." --weight=1
-
 # Remove the log files
 ynh_secure_remove --file="/var/log/$app"
 
-#=================================================
-# GENERIC FINALIZATION
-#=================================================
-# ...
-#=================================================
-
 #=================================================
 # END OF SCRIPT
 #=================================================
diff --git a/scripts/restore b/scripts/restore
index 59dd080..a7250e6 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -10,47 +10,6 @@
 source ../settings/scripts/_common.sh
 source /usr/share/yunohost/helpers
 
-#=================================================
-# MANAGE SCRIPT FAILURE
-#=================================================
-
-#REMOVEME? ynh_clean_setup () {
-	#### Remove this function if there's nothing to clean before calling the remove script.
-	true
-}
-# Exit if an error occurs during the execution of the script
-#REMOVEME? ynh_abort_if_errors
-
-#=================================================
-# LOAD SETTINGS
-#=================================================
-#REMOVEME? ynh_script_progression --message="Loading installation settings..." --weight=1
-
-#REMOVEME? app=$YNH_APP_INSTANCE_NAME
-
-#REMOVEME? domain=$(ynh_app_setting_get --app=$app --key=domain)
-#REMOVEME? admin=$(ynh_app_setting_get --app=$app --key=admin)
-#REMOVEME? #REMOVEME? install_dir=$(ynh_app_setting_get --app=$app --key=install_dir)
-#REMOVEME? data_dir=$(ynh_app_setting_get --app=$app --key=data_dir)
-
-#=================================================
-# CHECK IF THE APP CAN BE RESTORED
-#=================================================
-#REMOVEME? ynh_script_progression --message="Validating restoration parameters..." --weight=1
-
-#REMOVEME? test ! -d $install_dir \
-	|| ynh_die --message="There is already a directory: $install_dir "
-ynh_user_exists --username=$admin || ynh_die --message="User $admin doesn't exist "
-
-#=================================================
-# STANDARD RESTORATION STEPS
-#=================================================
-# RESTORE THE NGINX CONFIGURATION
-#=================================================
-ynh_script_progression --message="Restoring the NGINX configuration..." --weight=1
-
-ynh_restore_file --origin_path="/etc/nginx/conf.d/$domain.d/$app.conf"
-
 #=================================================
 # RESTORE THE APP MAIN DIR
 #=================================================
@@ -58,7 +17,6 @@ ynh_script_progression --message="Restoring the app main directory..." --weight=
 
 ynh_restore_file --origin_path="$install_dir"
 
-chmod 750 "$install_dir"
 chmod -R o-rwx "$install_dir"
 chown -R root:$admin "$install_dir"
 
@@ -69,10 +27,6 @@ ynh_script_progression --message="Restoring the data directory..." --weight=1
 
 ynh_restore_file --origin_path="$data_dir" --not_mandatory
 
-mkdir -p $data_dir/{user-data,extensions}
-
-chmod 750 "$data_dir"
-chmod -R o-rwx "$data_dir"
 chown -R $admin:$admin "$data_dir"
 
 #=================================================
@@ -82,23 +36,14 @@ chown -R $admin:$admin "$data_dir"
 #=================================================
 ynh_script_progression --message="Restoring the systemd configuration..." --weight=1
 
+ynh_restore_file --origin_path="/etc/nginx/conf.d/$domain.d/$app.conf"
+
 ynh_restore_file --origin_path="/etc/systemd/system/$app.service"
 systemctl enable $app.service --quiet
 
-#=================================================
-# RESTORE THE LOGROTATE CONFIGURATION
-#=================================================
-ynh_script_progression --message="Restoring the logrotate configuration..." --weight=1
-
 mkdir -p "/var/log/$app"
-
 ynh_restore_file --origin_path="/etc/logrotate.d/$app"
 
-#=================================================
-# INTEGRATE SERVICE IN YUNOHOST
-#=================================================
-ynh_script_progression --message="Integrating service in YunoHost..." --weight=1
-
 yunohost service add $app --description="VS Code Server" --log="/var/log/$app/$app.log"
 
 #=================================================
@@ -108,13 +53,6 @@ ynh_script_progression --message="Starting a systemd service..." --weight=1
 
 ynh_systemd_action --service_name=$app --action="start" --log_path="/var/log/$app/$app.log"
 
-#=================================================
-# GENERIC FINALIZATION
-#=================================================
-# RELOAD NGINX AND PHP-FPM
-#=================================================
-ynh_script_progression --message="Reloading NGINX web server and PHP-FPM..." --weight=1
-
 ynh_systemd_action --service_name=nginx --action=reload
 
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index fc18810..b38a250 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -32,20 +32,6 @@ source /usr/share/yunohost/helpers
 
 upgrade_type=$(ynh_check_app_version_changed)
 
-#=================================================
-# BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
-#=================================================
-#REMOVEME? ynh_script_progression --message="Backing up the app before upgrading (may take a while)..." --weight=1
-
-# Backup the current version of the app
-#REMOVEME? ynh_backup_before_upgrade
-#REMOVEME? ynh_clean_setup () {
-	# Restore it if the upgrade fails
-#REMOVEME? 	ynh_restore_upgradebackup
-}
-# Exit if an error occurs during the execution of the script
-#REMOVEME? ynh_abort_if_errors
-
 #=================================================
 # STANDARD UPGRADE STEPS
 #=================================================
@@ -62,8 +48,8 @@ ynh_script_progression --message="Ensuring downward compatibility..." --weight=1
 
 if ynh_compare_current_package_version -c le -v "3.11.0~ynh1"
 then
-#REMOVEME? 	extension_service_url=$(ynh_app_setting_get --app=$app --key="extension_service_url")
-#REMOVEME? 	extension_item_url=$(ynh_app_setting_get --app=$app --key="extension_item_url")
+	extension_service_url=$(ynh_app_setting_get --app=$app --key="extension_service_url")
+	extension_item_url=$(ynh_app_setting_get --app=$app --key="extension_item_url")
 
 	if [ "$extension_service_url" ] && [ "$extension_item_url" ]
 	then
@@ -93,7 +79,7 @@ then
 
 	ynh_remove_fail2ban_config
 
-#REMOVEME? 	ynh_secure_remove --file=$install_dir
+	ynh_secure_remove --file=$install_dir
 	mkdir -p $install_dir
 fi
 
@@ -103,10 +89,10 @@ then
 	mkdir -p $new_data_dir
 
 	cp -R $data_dir/* $new_data_dir
-#REMOVEME? 	ynh_secure_remove --file=$data_dir
+	ynh_secure_remove --file=$data_dir
 
 	data_dir=new_data_dir
-#REMOVEME? 	ynh_app_setting_set --app=$app --key=data_dir --value=$data_dir
+	ynh_app_setting_set --app=$app --key=data_dir --value=$data_dir
 fi
 
 #=================================================
@@ -121,7 +107,6 @@ then
 	ynh_setup_source --dest_dir="$install_dir" 
 fi
 
-chmod 750 "$install_dir"
 chmod -R o-rwx "$install_dir"
 chown -R root:$admin "$install_dir"
 
@@ -133,12 +118,6 @@ ynh_script_progression --message="Upgrading NGINX web server configuration..." -
 # Create a dedicated NGINX config
 ynh_add_nginx_config
 
-#=================================================
-# SPECIFIC UPGRADE
-#=================================================
-# ...
-#=================================================
-
 #=================================================
 # UPDATE A CONFIG FILE
 #=================================================
@@ -187,13 +166,6 @@ ynh_script_progression --message="Starting a systemd service..." --weight=1
 
 ynh_systemd_action --service_name=$app --action="start" --log_path="/var/log/$app/$app.log"
 
-#=================================================
-# RELOAD NGINX
-#=================================================
-#REMOVEME? ynh_script_progression --message="Reloading NGINX web server..." --weight=1
-
-#REMOVEME? ynh_systemd_action --service_name=nginx --action=reload
-
 #=================================================
 # END OF SCRIPT
 #=================================================
diff --git a/tests.toml b/tests.toml
new file mode 100644
index 0000000..3ba225f
--- /dev/null
+++ b/tests.toml
@@ -0,0 +1,9 @@
+test_format = 1.0
+
+[default]
+
+    # -------------------------------
+    # Commits to test upgrade from
+    # -------------------------------
+
+    test_upgrade_from.d4d938378a7b807264f82797cb297daebd1600f0.name = "Upgrade from 4.2.0"